单项选择题
Questions 8 to 10 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.Now, listen to the conversation.
At the university Mr. Robinson specialized in （）
A．maths B．physics C．water management D．geography
单项选择题 I must leave now（） if you want that book I'll bring it next time.
单项选择题 According to the talk, the owner of a bike has to （）
单项选择题 Members of the club are required to （）.
